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Author Question: Earth behaves as an artificial pulsar, with the strongest pulses for alien observers when North ... (Read 60 times)

tiffannnnyyyyyy

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Earth behaves as an artificial pulsar, with the strongest pulses for alien observers when North America is either rising or setting.
 
  Indicate whether the statement is true or false

Question 2

Why would anyone be interested in mining material from an asteroid?
 
  What will be an ideal response?



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karlss

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Answer to Question 1

TRUE

Answer to Question 2

The iron-rich asteroids, especially, should contain a high proportion of heavy elements that sank to Earth's core and are therefore very rare on Earth's surface (and consequently expensive).




tiffannnnyyyyyy

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


parshano

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Reply 3 on: Yesterday
Wow, this really help

 

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